/* ===================================
   HONECO - FACTORY INTRODUCTION WEBSITE
   CSS Main Stylesheet
   =================================== */

/* --- Google Fonts Import --- */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@300;400;500;600;700;800&family=Playfair+Display:wght@400;500;600;700&family=Be+Vietnam+Pro:wght@300;400;500;600;700&display=swap');

/* --- CSS Variables --- */
:root {
  /* Gold palette – sang trọng, óng ánh */
  --primary:        #C8960C;   /* vàng hoàng kim đậm */
  --primary-dark:   #A67C00;   /* vàng antique deep */
  --primary-mid:    #E0AA20;   /* vàng ánh nắng */
  --primary-light:  #F7D44C;   /* vàng sáng óng */
  --primary-pale:   #FFF8E1;   /* vàng kem nhạt */
  --gold-shine:     #FFE57F;   /* highlight vàng lấp lánh */
  --gold-gradient:  linear-gradient(135deg, #C8960C 0%, #E8B830 40%, #F7D44C 65%, #E0AA20 100%);
  --gold-gradient-r: linear-gradient(135deg, #F7D44C 0%, #E0AA20 40%, #C8960C 100%);

  /* Green palette – xanh lá thanh lịch */
  --secondary:      #1A3C2E;
  --secondary-light:#2A5C46;

  /* Backgrounds – sáng, ấm, sang trọng */
  --white:          #FFFFFF;
  --off-white:      #FFFDF5;   /* trắng ngà ấm */
  --cream:          #FEF9EC;   /* kem vàng nhạt */
  --light-gold-bg:  #FFF8DC;   /* nền vàng cornsilk */
  --light-gray:     #F8F6F0;
  --mid-gray:       #A09880;
  --dark-gray:      #3C3020;
  --text-dark:      #1C1408;   /* nâu tối sang */
  --text-muted:     #7A6A50;   /* nâu vàng nhạt */

  /* Shadows – thêm ánh vàng */
  --shadow-sm:      0 2px 10px rgba(160,120,0,0.10);
  --shadow-md:      0 8px 32px rgba(160,120,0,0.15);
  --shadow-lg:      0 20px 56px rgba(160,120,0,0.18);
  --shadow-gold:    0 8px 32px rgba(200,150,12,0.35);
  --shadow-gold-lg: 0 16px 48px rgba(200,150,12,0.45);

  --radius-sm:   6px;
  --radius-md:   14px;
  --radius-lg:   28px;
  --radius-full: 9999px;
  --transition:      all 0.3s ease;
  --transition-slow: all 0.6s ease;
}

/* --- Reset & Base --- */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Be Vietnam Pro', 'Montserrat', sans-serif;
  color: var(--text-dark);
  background-color: var(--white);
  line-height: 1.7;
  overflow-x: hidden;
  /* Subtle warm ivory texture */
  background-image: url("data:image/svg+xml,%3Csvg width='80' height='80' viewBox='0 0 80 80' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23C8960C' fill-opacity='0.018'%3E%3Cpath d='M40 0L80 40L40 80L0 40z'/%3E%3C/g%3E%3C/svg%3E");
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

ul, ol {
  list-style: none;
}

/* --- Utility Classes --- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section-padding {
  padding: 90px 0;
}

.text-center { text-align: center; }
.text-gold { color: var(--primary); }
.text-green { color: var(--secondary); }

.badge {
  display: inline-block;
  padding: 6px 18px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  background: var(--gold-gradient);
  color: var(--white);
  box-shadow: 0 2px 10px rgba(200,150,12,0.3);
}

.section-label {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.section-label span {
  display: inline-block;
  width: 40px;
  height: 2px;
  background: var(--primary);
}

.section-label p {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--primary);
  background: linear-gradient(90deg, var(--primary-dark), var(--primary-mid));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-title {
  font-family: 'Playfair Display', serif;
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 700;
  color: var(--secondary);
  line-height: 1.3;
  margin-bottom: 20px;
}

.section-desc {
  font-size: 1rem;
  color: var(--text-muted);
  max-width: 620px;
  line-height: 1.8;
}

.divider {
  width: 60px;
  height: 4px;
  background: var(--gold-gradient);
  border-radius: var(--radius-full);
  margin: 16px 0 32px;
  position: relative;
}

.divider::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: var(--gold-gradient);
  border-radius: var(--radius-full);
  filter: blur(4px);
  opacity: 0.5;
}

.divider-center {
  margin: 16px auto 32px;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 0.5px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.15);
  transform: translateX(-100%);
  transition: var(--transition);
}

.btn:hover::before {
  transform: translateX(0);
}

.btn-primary {
  background: var(--gold-gradient);
  color: var(--white);
  box-shadow: var(--shadow-gold);
  text-shadow: 0 1px 2px rgba(0,0,0,0.15);
  font-weight: 700;
  letter-spacing: 0.3px;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-gold-lg);
  background: var(--gold-gradient-r);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.6);
}

.btn-outline:hover {
  background: rgba(255,255,255,0.15);
  border-color: var(--white);
}

.btn-outline-dark {
  background: transparent;
  color: var(--secondary);
  border-color: var(--secondary);
}

.btn-outline-dark:hover {
  background: var(--secondary);
  color: var(--white);
}

/* ===================================
   HEADER & NAVIGATION
   =================================== */
#header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  transition: var(--transition);
}

.header-top {
  background: var(--secondary);
  padding: 8px 0;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.75);
  border-bottom: 1px solid rgba(200,150,12,0.3);
}

.header-top .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.header-top-info {
  display: flex;
  gap: 24px;
  align-items: center;
}

.header-top-info a {
  display: flex;
  align-items: center;
  gap: 6px;
  color: rgba(255,255,255,0.75);
}

.header-top-info a:hover { color: var(--primary-light); }

.header-top-social {
  display: flex;
  gap: 12px;
}

.header-top-social a {
  color: rgba(255,255,255,0.6);
  font-size: 0.9rem;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.2);
  transition: var(--transition);
}

.header-top-social a:hover {
  color: var(--primary-light);
  border-color: var(--primary-light);
}

.navbar {
  background: var(--white);
  box-shadow: 0 2px 16px rgba(200,150,12,0.12);
  padding: 0;
  border-bottom: 2px solid transparent;
  background-image: linear-gradient(var(--white), var(--white)),
                    var(--gold-gradient);
  background-origin: border-box;
  background-clip: padding-box, border-box;
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-logo-icon {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 1.4rem;
}

.nav-logo-text {
  display: flex;
  flex-direction: column;
}

.nav-logo-text .brand-name {
  font-family: 'Playfair Display', serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--secondary);
  line-height: 1;
}

.nav-logo-text .brand-tagline {
  font-size: 0.65rem;
  color: var(--primary);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  font-weight: 600;
}

/* Logo image */
.nav-logo-img {
  height: 52px;
  width: auto;
  max-width: 180px;
  object-fit: contain;
  display: block;
  transition: var(--transition);
}

.nav-logo:hover .nav-logo-img {
  opacity: 0.88;
  transform: scale(1.02);
}

.footer-logo-img {
  height: 64px;
  width: auto;
  max-width: 180px;
  object-fit: contain;
  display: block;
  background: #fff;
  border-radius: 10px;
  padding: 6px 12px;
  margin-bottom: 16px;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 8px 14px;
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.5px;
  color: var(--text-dark);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.nav-link:hover, .nav-link.active {
  color: var(--primary-dark);
  background: linear-gradient(135deg, rgba(200,150,12,0.08), rgba(247,212,76,0.10));
}

.nav-link.active {
  color: var(--primary-dark);
  font-weight: 700;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 220px;
  background: var(--white);
  border-radius: var(--radius-md);
  box-shadow: 0 12px 40px rgba(160,120,0,0.18);
  padding: 8px 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: var(--transition);
  border-top: 3px solid transparent;
  border-image: var(--gold-gradient) 1;
}

.nav-item:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 20px;
  font-size: 0.85rem;
  color: var(--text-dark);
  transition: var(--transition);
}

.dropdown-item:hover {
  background: var(--off-white);
  color: var(--primary);
  padding-left: 26px;
}

.dropdown-item i {
  color: var(--primary);
  width: 16px;
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 12px;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 6px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--secondary);
  border-radius: 2px;
  transition: var(--transition);
}

.hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* Scrolled state */
#header.scrolled .header-top { display: none; }
#header.scrolled .navbar { box-shadow: var(--shadow-md); }

/* ===================================
   HERO SECTION
   =================================== */
.hero {
  position: relative;
  height: 100vh;
  min-height: 680px;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: 110px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(140deg, #0D2419 0%, #1A3C2E 35%, #2A5C46 65%, #1C4A35 100%);
  z-index: 0;
}

.hero-bg-pattern {
  position: absolute;
  inset: 0;
  opacity: 0.07;
  background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23C8960C' fill-opacity='1'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  z-index: 1;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, rgba(26,60,46,0.85) 40%, rgba(26,60,46,0.3) 100%);
  z-index: 2;
}

.hero-image {
  position: absolute;
  right: 0;
  top: 0;
  width: 55%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
}

.hero .container {
  position: relative;
  z-index: 3;
}

.hero-content {
  max-width: 640px;
  animation: fadeInUp 0.8s ease forwards;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, rgba(200,150,12,0.25), rgba(247,212,76,0.15));
  border: 1px solid rgba(247,212,76,0.5);
  color: var(--gold-shine);
  padding: 7px 18px;
  border-radius: var(--radius-full);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 24px;
  backdrop-filter: blur(8px);
}

.hero-badge i { font-size: 0.9rem; }

.hero-title {
  font-family: 'Playfair Display', serif;
  font-size: clamp(2.2rem, 5vw, 4rem);
  font-weight: 700;
  color: var(--white);
  line-height: 1.2;
  margin-bottom: 24px;
}

.hero-title .highlight {
  background: var(--gold-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  position: relative;
  display: inline-block;
}

.hero-desc {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.82);
  line-height: 1.8;
  margin-bottom: 36px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  gap: 40px;
  margin-top: 56px;
  padding-top: 40px;
  border-top: 1px solid rgba(255,255,255,0.15);
}

.hero-stat {
  text-align: left;
}

.hero-stat .number {
  font-family: 'Playfair Display', serif;
  font-size: 2.2rem;
  font-weight: 700;
  background: var(--gold-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}

.hero-stat .label {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.65);
  letter-spacing: 0.5px;
  margin-top: 4px;
}

.hero-scroll {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.5);
  font-size: 0.72rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  animation: bounce 2s infinite;
}

.hero-scroll .arrow {
  width: 32px;
  height: 32px;
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.6);
}

/* ===================================
   ANNOUNCEMENT BANNER
   =================================== */
.announcement {
  background: var(--gold-gradient);
  padding: 12px 0;
  overflow: hidden;
  position: relative;
  box-shadow: 0 3px 12px rgba(200,150,12,0.3);
}

.announcement::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(255,229,127,0.25) 0%, transparent 100%);
  pointer-events: none;
}

.announcement-track {
  display: flex;
  gap: 80px;
  animation: marquee 30s linear infinite;
  white-space: nowrap;
}

.announcement-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.83rem;
  font-weight: 700;
  color: #fff;
  text-shadow: 0 1px 3px rgba(100,60,0,0.25);
  flex-shrink: 0;
  letter-spacing: 0.3px;
}

.announcement-item i { font-size: 1rem; }

/* ===================================
   ABOUT INTRO
   =================================== */
.about-intro {
  background: var(--white);
}

.about-intro .grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-intro-image {
  position: relative;
}

.about-intro-image .main-img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
  height: 500px;
  object-fit: cover;
  background: var(--secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.about-intro-image .img-placeholder {
  width: 100%;
  height: 500px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--secondary) 0%, var(--secondary-light) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  flex-direction: column;
  gap: 12px;
}

.about-intro-image .img-placeholder i {
  font-size: 4rem;
  opacity: 0.4;
}

.about-intro-image .img-badge {
  position: absolute;
  bottom: 32px;
  right: -24px;
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  box-shadow: var(--shadow-md);
  text-align: center;
}

.about-intro-image .img-badge .big-num {
  font-family: 'Playfair Display', serif;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary);
  line-height: 1;
}

.about-intro-image .img-badge p {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 500;
  max-width: 100px;
  line-height: 1.4;
  margin-top: 4px;
}

.about-intro-image .cert-badge {
  position: absolute;
  top: 32px;
  left: -24px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-radius: var(--radius-md);
  padding: 16px 20px;
  box-shadow: var(--shadow-gold);
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--secondary);
}

.about-intro-image .cert-badge i {
  font-size: 1.8rem;
}

.about-intro-image .cert-badge .cert-text {
  display: flex;
  flex-direction: column;
}

.about-intro-image .cert-badge .cert-text strong {
  font-size: 0.85rem;
  font-weight: 700;
  line-height: 1.2;
}

.about-intro-image .cert-badge .cert-text span {
  font-size: 0.7rem;
  opacity: 0.8;
}

.features-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 32px;
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px;
  background: linear-gradient(135deg, var(--off-white), var(--cream));
  border-radius: var(--radius-md);
  border-left: 4px solid transparent;
  border-image: var(--gold-gradient) 1;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}

.feature-item:hover {
  background: linear-gradient(135deg, var(--cream), var(--light-gold-bg));
  transform: translateX(4px);
  box-shadow: var(--shadow-gold);
}

.feature-icon {
  width: 44px;
  height: 44px;
  background: var(--gold-gradient);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 1.1rem;
  flex-shrink: 0;
  box-shadow: 0 4px 12px rgba(200,150,12,0.35);
}

.feature-text h4 {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--secondary);
  margin-bottom: 4px;
}

.feature-text p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ===================================
   STATS SECTION
   =================================== */
.stats-section {
  background: linear-gradient(135deg, var(--secondary) 0%, #0f2a1e 60%, var(--secondary-light) 100%);
  padding: 70px 0;
  position: relative;
  overflow: hidden;
}

.stats-section::before {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0.07;
  background-image: radial-gradient(circle, #F7D44C 1.5px, transparent 1.5px);
  background-size: 30px 30px;
  pointer-events: none;
}

.stats-section::after {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(200,150,12,0.08) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  position: relative;
  z-index: 1;
}

.stat-card {
  text-align: center;
  padding: 36px 20px;
  border-radius: var(--radius-lg);
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(200,150,12,0.25);
  backdrop-filter: blur(10px);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--gold-gradient);
  opacity: 0;
  transition: var(--transition);
}

.stat-card:hover {
  background: rgba(200,150,12,0.1);
  border-color: rgba(200,150,12,0.5);
  transform: translateY(-6px);
  box-shadow: var(--shadow-gold);
}

.stat-card:hover::before {
  opacity: 1;
}

.stat-icon {
  width: 60px;
  height: 60px;
  background: rgba(200,150,12,0.15);
  border: 1.5px solid rgba(200,150,12,0.4);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 18px;
  color: var(--primary-light);
  font-size: 1.4rem;
  transition: var(--transition);
}

.stat-card:hover .stat-icon {
  background: var(--gold-gradient);
  border-color: transparent;
  color: var(--secondary);
  box-shadow: 0 6px 20px rgba(200,150,12,0.4);
}

.stat-number {
  font-family: 'Playfair Display', serif;
  font-size: 3rem;
  font-weight: 700;
  background: var(--gold-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.65);
  font-weight: 500;
}

/* ===================================
   PRODUCTS SECTION
   =================================== */
.products-section {
  background: linear-gradient(180deg, var(--off-white) 0%, var(--cream) 100%);
}

.products-header {
  text-align: center;
  margin-bottom: 60px;
}

.products-header .section-label {
  justify-content: center;
}

.products-header .divider {
  margin: 16px auto 0;
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}

.product-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  position: relative;
  border: 1px solid rgba(200,150,12,0.08);
}

.product-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-gold);
  border-color: rgba(200,150,12,0.3);
}

.product-img {
  position: relative;
  height: 220px;
  overflow: hidden;
}

.product-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
  transition: transform 0.5s ease;
}

.product-card:hover .product-img img {
  transform: scale(1.06);
}

.product-img-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--white);
  transition: var(--transition-slow);
}

.product-card:hover .product-img-placeholder {
  transform: scale(1.06);
}

.product-img-placeholder i {
  font-size: 2.5rem;
  opacity: 0.7;
}

.product-img-placeholder.honey-natural { background: linear-gradient(135deg, #c8860a, #e8a820); }
.product-img-placeholder.honey-herb { background: linear-gradient(135deg, #5a8a2a, #7ab040); }
.product-img-placeholder.tacumin { background: linear-gradient(135deg, #8a4a10, #c4762a); }
.product-img-placeholder.wine { background: linear-gradient(135deg, #4a1a6a, #7a3a9a); }

.product-tag {
  position: absolute;
  top: 16px;
  left: 16px;
  background: var(--gold-gradient);
  color: var(--secondary);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  box-shadow: 0 3px 10px rgba(200,150,12,0.4);
}

.product-body {
  padding: 24px;
}

.product-category {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--primary-dark);
  margin-bottom: 8px;
}

.product-name {
  font-family: 'Playfair Display', serif;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--secondary);
  margin-bottom: 10px;
  line-height: 1.3;
}

.product-desc {
  font-size: 0.83rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 16px;
}

.product-features {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 20px;
}

.product-feature-tag {
  background: var(--cream);
  color: var(--secondary);
  padding: 3px 10px;
  border-radius: var(--radius-full);
  font-size: 0.7rem;
  font-weight: 600;
  border: 1px solid rgba(200,150,12,0.2);
}

.product-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.83rem;
  font-weight: 700;
  color: var(--primary-dark);
  transition: var(--transition);
}

.product-link i {
  transition: var(--transition);
  font-size: 0.75rem;
}

.product-link:hover {
  color: var(--secondary);
}

.product-link:hover i {
  transform: translateX(4px);
}

/* ===================================
   FACTORY SECTION
   =================================== */
.factory-section {
  background: var(--white);
}

.factory-intro {
  text-align: center;
  margin-bottom: 60px;
}

.factory-intro .section-label {
  justify-content: center;
}

.factory-process {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  position: relative;
  margin-bottom: 70px;
}

.factory-process::before {
  content: '';
  position: absolute;
  top: 44px;
  left: calc(10% + 22px);
  right: calc(10% + 22px);
  height: 2px;
  background: linear-gradient(90deg, var(--primary-light), var(--primary), var(--primary-light));
  z-index: 0;
}

.process-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 0 12px;
  position: relative;
  z-index: 1;
}

.process-icon {
  width: 88px;
  height: 88px;
  background: var(--white);
  border: 3px solid var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  color: var(--secondary);
  margin-bottom: 20px;
  position: relative;
  box-shadow: var(--shadow-gold);
  transition: var(--transition);
}

.process-step:hover .process-icon {
  background: var(--primary);
  color: var(--white);
  transform: scale(1.08);
}

.process-num {
  position: absolute;
  top: -8px;
  right: -8px;
  width: 26px;
  height: 26px;
  background: var(--secondary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--primary-light);
}

.process-step h4 {
  font-weight: 700;
  font-size: 0.88rem;
  color: var(--secondary);
  margin-bottom: 6px;
}

.process-step p {
  font-size: 0.76rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.factory-highlights {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.factory-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  height: 280px;
  cursor: pointer;
}

.factory-card-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transition: var(--transition-slow);
}

.factory-card-bg.farm {
  background-image: linear-gradient(135deg, rgba(45,90,27,0.30), rgba(90,138,42,0.30)),
    url('../images/factory/farm-trang-trai-03.jpg');
}
.factory-card-bg.lab {
  background-image: linear-gradient(135deg, rgba(10,42,74,0.35), rgba(26,90,138,0.35)),
    url('../images/factory/lab.jpg');
}
.factory-card-bg.quality {
  background-image: linear-gradient(135deg, rgba(74,26,10,0.35), rgba(138,58,26,0.35)),
    url('../images/factory/quality.jpg');
}

.factory-card:hover .factory-card-bg { transform: scale(1.05); }

.factory-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.75) 30%, transparent 70%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 28px;
  z-index: 1;
}

.factory-card-overlay h3 {
  font-family: 'Playfair Display', serif;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 6px;
}

.factory-card-overlay p {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.75);
  line-height: 1.5;
}

.factory-card-icon {
  width: 40px;
  height: 40px;
  background: var(--primary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--secondary);
  font-size: 0.9rem;
  margin-bottom: 12px;
}

/* ===================================
   CERTIFICATIONS
   =================================== */
.cert-section {
  background: linear-gradient(180deg, var(--cream) 0%, var(--light-gold-bg) 100%);
}

.cert-intro {
  text-align: center;
  margin-bottom: 60px;
}

.cert-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-bottom: 60px;
}

.cert-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  border-bottom: 4px solid transparent;
  border-top: 1px solid rgba(200,150,12,0.1);
  border-left: 1px solid rgba(200,150,12,0.08);
  border-right: 1px solid rgba(200,150,12,0.08);
}

.cert-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-gold);
  border-bottom-color: var(--primary);
}

.cert-icon {
  width: 76px;
  height: 76px;
  background: linear-gradient(135deg, var(--cream), var(--light-gold-bg));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-size: 2rem;
  color: var(--primary-dark);
  border: 2px solid rgba(200,150,12,0.3);
  box-shadow: 0 4px 14px rgba(200,150,12,0.15);
  transition: var(--transition);
}

.cert-card:hover .cert-icon {
  background: var(--gold-gradient);
  color: var(--secondary);
  border-color: transparent;
  box-shadow: 0 6px 20px rgba(200,150,12,0.4);
}

.cert-card h3 {
  font-weight: 700;
  font-size: 1rem;
  color: var(--secondary);
  margin-bottom: 8px;
}

.cert-card p {
  font-size: 0.83rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.awards-row {
  display: flex;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
}

.award-badge {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--white);
  padding: 16px 28px;
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  border: 1px solid rgba(200,150,12,0.15);
}

.award-badge:hover {
  box-shadow: var(--shadow-gold);
  transform: translateY(-3px);
  border-color: rgba(200,150,12,0.4);
}

.award-badge i {
  font-size: 1.5rem;
  background: var(--gold-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.award-badge span {
  font-size: 0.83rem;
  font-weight: 600;
  color: var(--secondary);
}

/* ===================================
   PARTNERS
   =================================== */
.partners-section {
  background: var(--white);
  padding: 60px 0;
}

.partners-title {
  text-align: center;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--mid-gray);
  margin-bottom: 36px;
}

.partners-track-wrapper {
  overflow: hidden;
  position: relative;
}

.partners-track-wrapper::before,
.partners-track-wrapper::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  width: 80px;
  z-index: 1;
}

.partners-track-wrapper::before {
  left: 0;
  background: linear-gradient(to right, var(--white), transparent);
}

.partners-track-wrapper::after {
  right: 0;
  background: linear-gradient(to left, var(--white), transparent);
}

.partners-track {
  display: flex;
  gap: 48px;
  animation: marquee 25s linear infinite;
  align-items: center;
}

.partner-logo {
  flex-shrink: 0;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  filter: grayscale(100%);
  opacity: 0.5;
  transition: var(--transition);
}

.partner-logo:hover {
  filter: grayscale(0%);
  opacity: 1;
}

.partner-logo-placeholder {
  background: var(--light-gray);
  border-radius: var(--radius-sm);
  padding: 8px 20px;
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--dark-gray);
  white-space: nowrap;
}

/* ===================================
   TESTIMONIALS
   =================================== */
.testimonials-section {
  background: linear-gradient(135deg, var(--secondary) 0%, var(--secondary-light) 100%);
  position: relative;
  overflow: hidden;
}

.testimonials-section::before {
  content: '\201C';
  position: absolute;
  top: -20px;
  left: 5%;
  font-family: 'Playfair Display', serif;
  font-size: 20rem;
  color: rgba(255,255,255,0.04);
  line-height: 1;
  pointer-events: none;
}

.testimonials-header {
  text-align: center;
  margin-bottom: 60px;
}

.testimonials-header .section-label {
  justify-content: center;
}

.testimonials-header .section-title { color: var(--white); }
.testimonials-header .section-desc { color: rgba(255,255,255,0.65); margin: 0 auto; }

.testimonials-slider {
  position: relative;
  max-width: 860px;
  margin: 0 auto;
}

.testimonial-slide {
  display: none;
  animation: fadeIn 0.5s ease;
}

.testimonial-slide.active {
  display: block;
}

.testimonial-card {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-lg);
  padding: 48px;
  text-align: center;
  backdrop-filter: blur(10px);
}

.testimonial-stars {
  display: flex;
  justify-content: center;
  gap: 4px;
  margin-bottom: 24px;
  color: var(--primary-light);
  font-size: 1.1rem;
}

.testimonial-text {
  font-family: 'Playfair Display', serif;
  font-size: 1.15rem;
  color: rgba(255,255,255,0.9);
  line-height: 1.8;
  font-style: italic;
  margin-bottom: 32px;
}

.testimonial-author {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
}

.author-avatar {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-light), var(--primary));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: var(--secondary);
  font-weight: 700;
}

.author-info .name {
  font-weight: 700;
  color: var(--white);
  font-size: 0.95rem;
}

.author-info .role {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.55);
}

.slider-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-top: 40px;
}

.slider-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.3);
  background: transparent;
  color: rgba(255,255,255,0.7);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  font-size: 0.85rem;
}

.slider-btn:hover {
  background: rgba(255,255,255,0.15);
  color: var(--white);
  border-color: rgba(255,255,255,0.6);
}

.slider-dots {
  display: flex;
  gap: 8px;
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,0.3);
  cursor: pointer;
  transition: var(--transition);
}

.dot.active {
  background: var(--primary-light);
  width: 24px;
  border-radius: 4px;
}

/* ===================================
   NEWS SECTION
   =================================== */
.news-section {
  background: var(--off-white);
}

.news-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 48px;
}

.news-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 28px;
}

.news-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.news-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}

.news-img {
  height: 200px;
  overflow: hidden;
}

.news-img a { display: block; width: 100%; height: 100%; }
.news-img img { transition: var(--transition-slow); }
.news-card:hover .news-img img { transform: scale(1.05); }

/* Farm Gallery Grid */
.farm-gallery-grid {
  display: flex;
  flex-direction: column;
  gap: 10px;
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.farm-gallery-main {
  display: block;
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 16/9;
  cursor: zoom-in;
}
.farm-gallery-main img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-slow);
}
.farm-gallery-main:hover img { transform: scale(1.04); }
.farm-gallery-badge {
  position: absolute;
  bottom: 14px;
  left: 14px;
  background: rgba(0,0,0,0.6);
  color: #fff;
  padding: 6px 14px;
  border-radius: 30px;
  font-size: 0.82rem;
  font-weight: 600;
  backdrop-filter: blur(4px);
  letter-spacing: 0.5px;
}
.farm-gallery-thumbs {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 6px;
}
.farm-gallery-thumbs a {
  display: block;
  aspect-ratio: 1;
  border-radius: 6px;
  overflow: hidden;
  cursor: zoom-in;
}
.farm-gallery-thumbs a img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-slow);
}
.farm-gallery-thumbs a:hover img { transform: scale(1.08); opacity: 0.9; }

@media (max-width: 768px) {
  .farm-gallery-thumbs { grid-template-columns: repeat(4, 1fr); }
}
@media (max-width: 480px) {
  .farm-gallery-thumbs { grid-template-columns: repeat(3, 1fr); }
}

.news-img-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  transition: var(--transition-slow);
}

.news-card:hover .news-img-placeholder { transform: scale(1.05); }

.news-img-placeholder.news1 { background: linear-gradient(135deg, #1a3c2e, #2d6b4a); }
.news-img-placeholder.news2 { background: linear-gradient(135deg, #3a1c0a, #7a3a1a); }
.news-img-placeholder.news3 { background: linear-gradient(135deg, #0a1a3a, #1a3a6a); }

.news-body {
  padding: 24px;
}

.news-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 12px;
}

.news-date {
  font-size: 0.75rem;
  color: var(--mid-gray);
  display: flex;
  align-items: center;
  gap: 4px;
}

.news-cat {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--secondary);
  background: linear-gradient(135deg, rgba(200,150,12,0.2), rgba(247,212,76,0.25));
  padding: 2px 10px;
  border-radius: var(--radius-full);
  letter-spacing: 0.5px;
  border: 1px solid rgba(200,150,12,0.25);
}

.news-title {
  font-weight: 700;
  font-size: 1rem;
  color: var(--secondary);
  line-height: 1.4;
  margin-bottom: 10px;
  transition: var(--transition);
}

.news-card:hover .news-title { color: var(--primary-dark); }

.news-excerpt {
  font-size: 0.83rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 16px;
}

.news-read-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--primary-dark);
  transition: var(--transition);
}

.news-read-more i { transition: var(--transition); font-size: 0.75rem; }
.news-read-more:hover i { transform: translateX(4px); }

/* ===================================
   CTA SECTION
   =================================== */
.cta-section {
  background: var(--gold-gradient);
  padding: 90px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(255,255,255,0.15) 1px, transparent 1px);
  background-size: 24px 24px;
  pointer-events: none;
}

.cta-section::after {
  content: '';
  position: absolute;
  bottom: -80px;
  left: -80px;
  width: 300px;
  height: 300px;
  background: rgba(255,255,255,0.1);
  border-radius: 50%;
  pointer-events: none;
}

.cta-content {
  position: relative;
  z-index: 1;
}

.cta-icon {
  width: 72px;
  height: 72px;
  background: rgba(26,60,46,0.15);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  font-size: 1.8rem;
  color: var(--secondary);
  border: 2px solid rgba(26,60,46,0.25);
}

.cta-title {
  font-family: 'Playfair Display', serif;
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 700;
  color: var(--secondary);
  margin-bottom: 16px;
  text-shadow: 0 2px 8px rgba(255,255,255,0.3);
}

.cta-desc {
  font-size: 1.05rem;
  color: rgba(26,60,46,0.8);
  max-width: 560px;
  margin: 0 auto 36px;
  line-height: 1.7;
}

.cta-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn-cta-primary {
  background: var(--secondary);
  color: var(--white);
  border-color: var(--secondary);
}

.btn-cta-primary:hover {
  background: var(--secondary-light);
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(26,60,46,0.4);
}

.btn-cta-outline {
  background: rgba(26,60,46,0.12);
  color: var(--secondary);
  border: 2px solid rgba(26,60,46,0.4);
}

.btn-cta-outline:hover {
  background: rgba(26,60,46,0.2);
  border-color: var(--secondary);
}

/* ===================================
   FOOTER
   =================================== */
footer {
  background: var(--secondary);
  color: rgba(255,255,255,0.7);
  padding-top: 80px;
  position: relative;
}

footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gold-gradient);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-brand .footer-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}

.footer-logo-icon {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 1.2rem;
}

.footer-logo .brand-name {
  font-family: 'Playfair Display', serif;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--white);
}

.footer-desc {
  font-size: 0.85rem;
  line-height: 1.8;
  margin-bottom: 24px;
}

.footer-contact-info {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.83rem;
}

.footer-contact-item i {
  color: var(--primary-light);
  margin-top: 3px;
  flex-shrink: 0;
  width: 14px;
}

.footer-heading {
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--white);
  letter-spacing: 0.5px;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 12px;
}

.footer-heading::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 36px;
  height: 2px;
  background: var(--gold-gradient);
  border-radius: 2px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-link {
  font-size: 0.83rem;
  color: rgba(255,255,255,0.6);
  display: flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition);
}

.footer-link i {
  font-size: 0.65rem;
  color: var(--primary);
}

.footer-link:hover {
  color: var(--primary-light);
  padding-left: 4px;
}

.footer-social {
  display: flex;
  gap: 10px;
  margin-top: 20px;
}

.social-link {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.6);
  font-size: 0.9rem;
  transition: var(--transition);
}

.social-link:hover {
  background: var(--gold-gradient);
  border-color: transparent;
  color: var(--secondary);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(200,150,12,0.4);
}

.footer-cert {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.cert-item {
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(255,255,255,0.05);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-size: 0.8rem;
  transition: var(--transition);
}

.cert-item:hover { background: rgba(255,255,255,0.1); }

.cert-item i {
  color: var(--primary-light);
  font-size: 1.2rem;
}

.footer-bottom {
  padding: 24px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-bottom-text {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.45);
}

.footer-bottom-links {
  display: flex;
  gap: 24px;
}

.footer-bottom-links a {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.45);
  transition: var(--transition);
}

.footer-bottom-links a:hover { color: var(--primary-light); }

/* ===================================
   PAGE HERO (sub pages)
   =================================== */
.page-hero {
  padding: 160px 0 80px;
  background: linear-gradient(135deg, #0d2018 0%, var(--secondary) 50%, #1a4a30 100%);
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0.06;
  background-image: radial-gradient(circle, #F7D44C 1.5px, transparent 1.5px);
  background-size: 28px 28px;
  pointer-events: none;
}

.page-hero::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gold-gradient);
  pointer-events: none;
}

.page-hero-content {
  position: relative;
  z-index: 1;
}

.page-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(200,150,12,0.18);
  border: 1px solid rgba(200,150,12,0.45);
  color: var(--primary-light);
  padding: 6px 18px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 20px;
  backdrop-filter: blur(4px);
}

.page-hero-title {
  font-family: 'Playfair Display', serif;
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 700;
  color: var(--white);
  line-height: 1.2;
  margin-bottom: 20px;
}

.page-hero-desc {
  font-size: 1rem;
  color: rgba(255,255,255,0.72);
  max-width: 600px;
  line-height: 1.8;
  margin-bottom: 32px;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.5);
}

.breadcrumb a {
  color: rgba(255,255,255,0.65);
  transition: var(--transition);
}

.breadcrumb a:hover { color: var(--primary-light); }
.breadcrumb i { font-size: 0.6rem; }
.breadcrumb span { color: var(--primary-light); }

/* ===================================
   ANIMATIONS
   =================================== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
  40% { transform: translateX(-50%) translateY(-10px); }
  60% { transform: translateX(-50%) translateY(-5px); }
}

@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

@keyframes countUp {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Scroll animations */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* Stagger animation for children */
.stagger-children > * {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.stagger-children.visible > *:nth-child(1) { opacity: 1; transform: none; transition-delay: 0s; }
.stagger-children.visible > *:nth-child(2) { opacity: 1; transform: none; transition-delay: 0.1s; }
.stagger-children.visible > *:nth-child(3) { opacity: 1; transform: none; transition-delay: 0.2s; }
.stagger-children.visible > *:nth-child(4) { opacity: 1; transform: none; transition-delay: 0.3s; }
.stagger-children.visible > *:nth-child(5) { opacity: 1; transform: none; transition-delay: 0.4s; }

/* ===================================
   RESPONSIVE
   =================================== */
@media (max-width: 1100px) {
  .products-grid { grid-template-columns: repeat(2, 1fr); }
  .factory-process { grid-template-columns: repeat(3, 1fr); }
  .factory-process::before { display: none; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
  .about-intro .grid { grid-template-columns: 1fr; gap: 48px; }
  .about-intro-image .img-badge { right: 16px; }
  .about-intro-image .cert-badge { left: 16px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .cert-grid { grid-template-columns: repeat(2, 1fr); }
  .factory-highlights { grid-template-columns: 1fr; }
  .news-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .header-top { display: none; }
  .nav-menu { display: none; flex-direction: column; position: absolute; top: 100%; left: 0; right: 0; background: var(--white); box-shadow: var(--shadow-md); padding: 16px 24px 24px; gap: 4px; border-top: 2px solid var(--primary); }
  .nav-menu.open { display: flex; }
  .hamburger { display: flex; }
  .nav-cta .btn { display: none; }
  .hero-stats { gap: 24px; }
  .hero-stat .number { font-size: 1.8rem; }
  .section-padding { padding: 64px 0; }
  .products-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .news-header { flex-direction: column; gap: 16px; align-items: flex-start; }
  .news-grid { grid-template-columns: 1fr; }
  .cert-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .products-grid { grid-template-columns: 1fr 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .hero-actions { flex-direction: column; }
  .hero-stats { flex-wrap: wrap; gap: 20px; }
  .awards-row { flex-direction: column; }
  .cta-actions { flex-direction: column; align-items: center; }
  .testimonial-card { padding: 28px 20px; }
}

/* ===================================
   MOBILE OPTIMIZATIONS (full overhaul)
   =================================== */
@media (max-width: 768px) {

  /* --- Container --- */
  .container { padding: 0 16px; }

  /* --- Header / Navbar --- */
  .navbar .container { padding: 0 16px; }
  .nav-logo-img { height: 38px; }

  /* --- Hero --- */
  .hero { min-height: 100svh; padding: 80px 0 80px; align-items: flex-start; }
  .hero .container { padding-top: 20px; }
  .hero-content { text-align: center; }
  .hero-title { font-size: clamp(1.8rem, 7vw, 2.6rem); line-height: 1.25; }
  .hero-subtitle { font-size: 0.9rem !important; }
  .hero-desc { font-size: 0.88rem; margin: 0 auto; max-width: 90%; }
  .hero-badge { font-size: 0.72rem; margin: 0 auto 16px; }
  .hero-actions {
    flex-direction: column; align-items: center; gap: 12px; margin-top: 24px;
  }
  .hero-actions .btn { width: 100%; max-width: 320px; justify-content: center; text-align: center; }
  .hero-stats {
    flex-wrap: wrap; gap: 12px 16px; justify-content: center; margin-top: 32px;
  }
  .hero-stat { min-width: calc(50% - 12px); text-align: center; }
  .hero-stat .number { font-size: 1.6rem; }
  .hero-stat .label { font-size: 0.72rem; }
  .hero-scroll { display: none; }

  /* --- Section headings --- */
  .section-title { font-size: clamp(1.4rem, 5vw, 1.8rem); }
  .section-padding { padding: 48px 0; }

  /* --- About intro --- */
  .about-intro .grid { grid-template-columns: 1fr; gap: 32px; }
  .about-intro-image { min-height: 240px; border-radius: var(--radius-md); }
  .about-intro-image .cert-badge { top: 12px; left: 12px; padding: 8px 12px; }
  .about-intro-image .img-badge { bottom: 12px; right: 12px; padding: 10px 16px; }
  .about-intro-image .img-badge .big-num { font-size: 1.6rem; }
  .features-list { gap: 16px; }
  .feature-item { gap: 12px; }
  .feature-icon { width: 40px; height: 40px; font-size: 1rem; flex-shrink: 0; }
  .feature-text h4 { font-size: 0.9rem; }
  .feature-text p { font-size: 0.8rem; }

  /* --- Products --- */
  .products-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .product-card { border-radius: var(--radius-md); }
  .product-img { height: 140px; }
  .product-info { padding: 12px; }
  .product-info h3 { font-size: 0.85rem; margin-bottom: 4px; }
  .product-info p { font-size: 0.75rem; line-height: 1.5; overflow: hidden; display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 2; line-clamp: 2; }

  /* --- Stats --- */
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
  .stat-card { padding: 24px 16px; }
  .stat-number { font-size: 2rem; }

  /* --- Factory --- */
  .factory-process { grid-template-columns: 1fr 1fr; gap: 16px; }
  .process-step { padding: 20px 14px; }

  /* --- Certificates --- */
  .cert-grid { grid-template-columns: 1fr 1fr; gap: 14px; }
  .cert-card { padding: 20px 14px; }

  /* --- News --- */
  .news-grid { grid-template-columns: 1fr; gap: 20px; }
  .news-card .news-img { height: 180px; }

  /* --- CTA section --- */
  .cta-section { padding: 48px 0; }
  .cta-title { font-size: clamp(1.3rem, 5vw, 1.7rem); text-align: center; }
  .cta-desc { font-size: 0.85rem; text-align: center; }
  .cta-actions { flex-direction: column; align-items: center; gap: 12px; }
  .cta-actions .btn { width: 100%; max-width: 300px; justify-content: center; }

  /* --- Footer --- */
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
  .footer-bottom-links { justify-content: center; flex-wrap: wrap; }

  /* --- Contact page --- */
  .contact-grid { grid-template-columns: 1fr; gap: 28px; }
  .contact-info-card { padding: 28px 20px; border-radius: var(--radius-md); }
  .contact-info-card h2 { font-size: 1.4rem; }
  .contact-form-card { padding: 28px 20px; border-radius: var(--radius-md); }
  .contact-form-card h2 { font-size: 1.4rem; }
  .form-row { grid-template-columns: 1fr; gap: 0; }
  .contact-detail { gap: 12px; }
  .contact-detail-icon { width: 38px; height: 38px; font-size: 0.9rem; }

  /* --- About page: timeline --- */
  .timeline { padding-left: 28px; }
  .timeline-item::before { left: -36px; width: 14px; height: 14px; }
  .mission-grid { grid-template-columns: 1fr; gap: 16px; }
  .mission-card { padding: 24px 18px; }

  /* --- Back to top: tránh bottom nav --- */
  #back-to-top { bottom: 80px; right: 16px; width: 42px; height: 42px; }

  /* --- Announcement bar --- */
  .announcement-item { font-size: 0.78rem; }
}

@media (max-width: 400px) {
  .hero-title { font-size: 1.6rem; }
  .products-grid { grid-template-columns: 1fr 1fr; gap: 8px; }
  .product-img { height: 110px; }
  .product-info { padding: 10px; }
  .product-info h3 { font-size: 0.78rem; }
  .cert-grid { grid-template-columns: 1fr; }
  .factory-process { grid-template-columns: 1fr; }
  .hero-stat { min-width: calc(50% - 8px); }
  .contact-info-card, .contact-form-card { padding: 20px 14px; }
}

/* ===================================
   BACK TO TOP
   =================================== */
#back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 48px;
  height: 48px;
  background: var(--gold-gradient);
  color: var(--secondary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  cursor: pointer;
  box-shadow: var(--shadow-gold);
  opacity: 0;
  transform: translateY(20px);
  transition: var(--transition);
  z-index: 999;
  border: none;
}

#back-to-top.visible {
  opacity: 1;
  transform: translateY(0);
}

#back-to-top:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(212,160,23,0.45);
}

/* ===================================
   ABOUT PAGE SPECIFIC
   =================================== */
.timeline {
  position: relative;
  padding-left: 40px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--primary), var(--primary-light));
}

.timeline-item {
  position: relative;
  padding-bottom: 48px;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -48px;
  top: 5px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--gold-gradient);
  border: 3px solid var(--white);
  box-shadow: 0 0 0 3px rgba(200,150,12,0.4);
}

.timeline-year {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--primary-dark);
  background: linear-gradient(135deg, rgba(200,150,12,0.15), rgba(247,212,76,0.2));
  padding: 2px 12px;
  border-radius: var(--radius-full);
  display: inline-block;
  margin-bottom: 8px;
  letter-spacing: 0.5px;
  border: 1px solid rgba(200,150,12,0.25);
}

.timeline-title {
  font-weight: 700;
  font-size: 1rem;
  color: var(--secondary);
  margin-bottom: 6px;
}

.timeline-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.7;
}

.mission-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.mission-card {
  padding: 36px 28px;
  border-radius: var(--radius-lg);
  text-align: center;
  transition: var(--transition);
}

.mission-card.mission { background: linear-gradient(135deg, #fff9f0, #fef3dc); border: 1px solid rgba(212,160,23,0.2); }
.mission-card.vision { background: linear-gradient(135deg, #f0f7f4, #dcf0e8); border: 1px solid rgba(26,60,46,0.2); }
.mission-card.values { background: linear-gradient(135deg, #f0f4ff, #dcebff); border: 1px solid rgba(60,80,160,0.15); }

.mission-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }

.mission-card-icon {
  font-size: 2.5rem;
  margin-bottom: 20px;
}

.mission-card h3 {
  font-family: 'Playfair Display', serif;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--secondary);
  margin-bottom: 12px;
}

.mission-card p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ===================================
   CONTACT PAGE
   =================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 60px;
}

.contact-info-card {
  background: linear-gradient(135deg, var(--secondary), var(--secondary-light));
  border-radius: var(--radius-lg);
  padding: 48px 40px;
  color: var(--white);
  height: fit-content;
}

.contact-info-card h2 {
  font-family: 'Playfair Display', serif;
  font-size: 1.8rem;
  color: var(--white);
  margin-bottom: 12px;
}

.contact-info-card p {
  color: rgba(255,255,255,0.7);
  font-size: 0.9rem;
  line-height: 1.7;
  margin-bottom: 32px;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 36px;
}

.contact-detail {
  display: flex;
  gap: 16px;
}

.contact-detail-icon {
  width: 44px;
  height: 44px;
  background: rgba(212,160,23,0.2);
  border: 1px solid rgba(212,160,23,0.3);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-light);
  flex-shrink: 0;
}

.contact-detail-text strong {
  display: block;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.55);
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-bottom: 4px;
}

.contact-detail-text span {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.9);
  line-height: 1.5;
  display: block;
}

.contact-form-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 48px 40px;
  box-shadow: var(--shadow-md);
}

.contact-form-card h2 {
  font-family: 'Playfair Display', serif;
  font-size: 1.8rem;
  color: var(--secondary);
  margin-bottom: 8px;
}

.contact-form-card > p {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 32px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.83rem;
  font-weight: 600;
  color: var(--secondary);
  margin-bottom: 8px;
}

.form-group label span {
  color: var(--primary-dark);
}

.form-control {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid #E0E0E0;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.9rem;
  color: var(--text-dark);
  background: var(--white);
  transition: var(--transition);
  outline: none;
}

.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(212,160,23,0.12);
}

.form-control::placeholder { color: var(--mid-gray); }

textarea.form-control {
  resize: vertical;
  min-height: 120px;
}

select.form-control {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23424242' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
}

.btn-submit {
  width: 100%;
  padding: 15px;
  font-size: 0.95rem;
  border: none;
  justify-content: center;
}